Structure of PDB 7y7a Chain AR

Receptor sequence

>7y7aAR (length=257) Species: 35688 (Porphyridium purpureum) [Search protein sequence]

LTGYDSKSSPNFPNRAATRERRTVSFNARVARNKSQAKKILEKADEFFAR
SVTMQYKAFACPNGVYDIQCTEGTVKGAAYEKRAMAVSAAFRAKQASPAA
KARALFENRRHAIIASHECQHEEDLFVRFPKLSAAYMMGKTEAMRTCSRY
VVPDSLEEEYMAASVDRQMKERACPGGVYASSCVEGNAKGQAEQARVAAL
ATAFRSAQKSASKTTAERYSSAAYGRDHFAHGCSYEESVFNTYPATAAAM
RSKSYNY

3D structure

PDB

7y7a In situ structure of the red algal phycobilisome-PSII-PSI-LHC megacomplex.

Chain

Resolution

4.3 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)
BS01	PEB	AR	Y97 K98 K123 E183 A184 C188 R190	Y56 K57 K82 E142 A143 C147 R149
BS02	PUB	AR	K211 Y220 C224 E226 A233 R237	K170 Y179 C183 E185 A192 R196
BS03	PUB	AR	K98 Y107 C111 E113 A120 Y121 R124	K57 Y66 C70 E72 A79 Y80 R83
BS04	PEB	AR	V93 Q96 Y97 F100 C160 E163 Y177	V52 Q55 Y56 F59 C119 E122 Y136
BS05	PEB	AR	S49 S50 N52 F53	S8 S9 N11 F12
BS06	PEB	AR	R60 T64	R19 T23
BS07	PEB	AR	R144 F147	R103 F106
BS08	PEB	AR	Q209 C274 E277	Q168 C233 E236
BS09	PEB	AR	T256 Y260	T215 Y219
BS10	PEB	AR	V128 S129 F132	V87 S88 F91
BS11	PEB	AR	Y201 S205 Y276	Y160 S164 Y235
BS12	PEB	AR	F88 S92 H162	F47 S51 H121
BS13	PEB	AR	L241 F245	L200 F204

External links

PDB	RCSB:7y7a, PDBe:7y7a, PDBj:7y7a
PDBsum	7y7a
PubMed	36922595
UniProt	A0A5J4YX19

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